[#BIO]
= BIO
:mrdocs:

Opaque Basic I&sol;O abstraction (filters and source&sol;sink streams)&period;

== Synopsis

Declared in `&lt;openssl&sol;types&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef xref:bio_st.adoc[bio&lowbar;st] BIO;
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